| About |
|---|
| Product Description: API II 550 is a high impact grade of polystyrene. It is characterized by good impact, gloss and processability. Complies with FDA regulation 21 CFR 177.1640. Application: API II 550 is used in housewares, toys, containers, appliance parts, speaker housings, medical devices and various types of extrusions.&& |
| Product Description | |
|---|---|
| Generic | PS (HIPS) |
| Material Status | Commercial: Active |
| Features | Excellent Processability,Good surface appearance,High impact resistance |
| Availabilitys | North America |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.04 | g/cm³ | ASTM D892 |
| Melt Flow Rate | |||
| 200℃，5.0kg | 8.0 | g/10min | ASTM D1238 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 3.2mm | 120 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, annealed | 81.1 | ℃ | ASTM D648 |
| Vicat Softening Temp | 93.3 | ℃ | ASTM D1525 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| Level L | 47 | ASTM D785 | |
| Tensile modulus | 2070 | MPa | ASTM D638 |
| tensile strength | |||
| fracture | 21.4 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 50 | % | ASTM D638 |
| Bending modulus | 1720 | MPa | ASTM D790 |
| Notes |
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